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Finding the Fourth Proportional to 88,692.80, 133,039.36 and 59,168.32

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Solution

The fourth proportional to 88,692.80, 133,039.36 and 59,168.32 is: 88,752.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,692.80 : 133,039.36 = 59,168.32 : x
  2. Step 2: Convert to fraction form
    88,692.80/133,039.36 = 59,168.32/x
  3. Step 3: Cross multiply
    88,692.80x = 133,039.36 × 59,168.32
  4. Step 4: Simplify right side
    88,692.80x = 7,871,715,425.08
  5. Step 5: Solve for x
    x = 7,871,715,425.08/88,692.80
  6. Step 6: Final answer
    x = 88,752.59

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.